Add the search by bids for Book Index LiveView.

lib/decentralised_book_index/metadata/book.ex

@@ -180,6 +180,15 @@ defmodule DecentralisedBookIndex.Metadata.Book do
       pagination offset?: true, default_limit: 10
     end
 
+    read :search_by_bid do
+      argument :type, :string, allow_nil?: false
+      argument :bid, :string, allow_nil?: false
+
+      filter expr(exists(bids, type == ^arg(:type) and contains(bid, ^arg(:bid))))
+
+      pagination offset?: true, default_limit: 10
+    end
+
     update :update do
       primary? true
       require_atomic? false